{"id":477467,"date":"2023-08-09T09:15:22","date_gmt":"2023-08-09T09:15:22","guid":{"rendered":""},"modified":"2023-09-05T11:14:48","modified_gmt":"2023-09-05T11:14:48","slug":"host-address","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/host-address\/","title":{"rendered":"\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9"},"content":{"rendered":"<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc OneProxy (oneproxy.pro) \u306e Web \u30b5\u30a4\u30c8\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d3\u30b9\u306e\u6a5f\u80fd\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067 OneProxy Web 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\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f DNS \u306e\u30ea\u30bd\u30fc\u30b9 \u30ec\u30b3\u30fc\u30c9\u306e\u552f\u4e00\u306e\u7a2e\u985e\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u4ed6\u306e\u91cd\u8981\u306a\u7a2e\u985e\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>CNAME (\u6b63\u898f\u540d)<\/strong>: \u30a8\u30a4\u30ea\u30a2\u30b9\uff08\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\uff09\u3092\u6b63\u898f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001CNAME\u30ec\u30b3\u30fc\u30c9\u306f\u300c<a href=\"https:\/\/oneproxy.pro\/jp\/\" target=\"_new\" rel=\"noopener\">\u30db\u30fc\u30e0\u30da\u30fc\u30b8<\/a>\u201d \u3092 \u201coneproxy.pro\u201d \u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>MX (\u30e1\u30fc\u30eb\u4ea4\u63db)<\/strong>: \u30c9\u30e1\u30a4\u30f3\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3059\u308b\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>TXT\uff08\u30c6\u30ad\u30b9\u30c8\uff09<\/strong>: \u30c9\u30e1\u30a4\u30f3\u691c\u8a3c\u3084\u96fb\u5b50\u30e1\u30fc\u30eb\u8a8d\u8a3c\u7528\u306e SPF (Sender Policy Framework) \u30ec\u30b3\u30fc\u30c9\u306e\u6307\u5b9a\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u76ee\u7684\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AAAA (IPv6 \u30a2\u30c9\u30ec\u30b9)<\/strong>: A \u30ec\u30b3\u30fc\u30c9\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv6 \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306e\u5185\u90e8\u69cb\u9020\u3002\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306e\u52d5\u4f5c\u65b9\u6cd5\u3002<\/h2>\n<p>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5358\u7d14\u306a\u5185\u90e8\u69cb\u9020\u306b\u5f93\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30010 \u304b\u3089 255 \u307e\u3067\u306e 4 \u3064\u306e\u6570\u5b57\u306e\u30bb\u30c3\u30c8\u3068\u3057\u3066\u8868\u3055\u308c\u3001\u30d4\u30ea\u30aa\u30c9 (\u30c9\u30c3\u30c8) \u3067\u533a\u5207\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u5f62\u5f0f\u306f\u3001IPv4 (\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4) \u30a2\u30c9\u30ec\u30b9\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u5404\u6570\u5b57\u306f 8 \u30d3\u30c3\u30c8\u306e\u30aa\u30af\u30c6\u30c3\u30c8\u3092\u8868\u3057\u3001\u5408\u8a08 32 \u30d3\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002IPv4 \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3067\u306f\u3001\u7d04 43 \u5104\u306e\u4e00\u610f\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6025\u901f\u306a\u6210\u9577\u306b\u3088\u308a\u3001IPv4 \u30a2\u30c9\u30ec\u30b9\u306f\u4e0d\u8db3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001oneproxy.pro \u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059: 203.0.113.1<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c Web \u30d6\u30e9\u30a6\u30b6\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306f DNS \u30af\u30a8\u30ea\u3092 DNS \u30ea\u30be\u30eb\u30d0 (\u901a\u5e38\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u307e\u305f\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e DNS \u30ea\u30be\u30eb\u30d0\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b) \u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30ea\u30be\u30eb\u30d0\u306f\u53cd\u5fa9\u307e\u305f\u306f\u518d\u5e30\u7684\u306a\u691c\u7d22\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3057\u3066\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<p>DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001\u307e\u305a\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u3059\u3067\u306b\u77e5\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u77e5\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u30eb\u30fc\u30c8 \u30cd\u30fc\u30e0 \u30b5\u30fc\u30d0\u30fc\u304b\u3089 DNS \u968e\u5c64\u3092\u4e0b\u3063\u3066\u3044\u304d\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u5a01\u30cd\u30fc\u30e0 \u30b5\u30fc\u30d0\u30fc\u306b\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u6700\u7d42\u7684\u306b\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u8fd4\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u6b63\u3057\u3044 Web \u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u3092\u958b\u59cb\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e Web \u30b5\u30a4\u30c8\u3084\u305d\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u305d\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u72ec\u81ea\u6027<\/strong>\u5404\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u4e00\u610f\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u76ee\u7684\u306e Web \u30b5\u30a4\u30c8\u306b\u78ba\u5b9f\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30de\u30c3\u30d4\u30f3\u30b0<\/strong>: \u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u3001Web \u30b5\u30a4\u30c8\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b Web \u30b5\u30fc\u30d0\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u3078\u306e\u76f4\u63a5\u30de\u30c3\u30d4\u30f3\u30b0\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fc5\u901f\u306a\u89e3\u6c7a<\/strong>: DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001\u4ee5\u524d\u306e DNS \u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u5f8c\u7d9a\u306e\u691c\u7d22\u304c\u9ad8\u901f\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52d5\u7684IP\u5272\u308a\u5f53\u3066<\/strong>: \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305a\u306b IP \u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308a\u3001\u57fa\u790e\u3068\u306a\u308b IP \u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u3066\u3082\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u5b89\u5b9a\u3057\u305f\u30aa\u30f3\u30e9\u30a4\u30f3 \u30d7\u30ec\u30bc\u30f3\u30b9\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u6307\u3059\u3088\u3046\u306b\u69cb\u6210\u3067\u304d\u3001\u7740\u4fe1\u8981\u6c42\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3066\u8ca0\u8377\u5206\u6563\u3068\u5197\u9577\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5730\u7406\u4f4d\u7f6e\u60c5\u5831<\/strong>: \u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u53d6\u5f97\u3057\u305f IP \u30a2\u30c9\u30ec\u30b9\u306b\u57fa\u3065\u3044\u3066\u3001Web \u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u5730\u7406\u7684\u4f4d\u7f6e\u3092\u6982\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306e\u7a2e\u985e<\/h2>\n<p>DNS \u3067\u4f7f\u7528\u3055\u308c\u308b\u30ea\u30bd\u30fc\u30b9 \u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u7a2e\u985e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u3042<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv4 \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>AAAA<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv6 \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\uff23\uff2e\uff21\uff2d\uff25<\/td>\n<td>\u30a8\u30a4\u30ea\u30a2\u30b9 (\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3) \u3092\u6b63\u898f\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30e1\u30ad\u30b7\u30b3<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u4ea4\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>TXT<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u691c\u8a3c\u3084 SPF \u30ec\u30b3\u30fc\u30c9\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u76ee\u7684\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30bd\u30a2<\/td>\n<td>\u6a29\u9650\u30be\u30fc\u30f3\u306e\u958b\u59cb\u3092\u793a\u3057\u3001\u7ba1\u7406\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>NS<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u9650\u306e\u3042\u308b\u30cd\u30fc\u30e0 \u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>PT-R<\/td>\n<td>\u9006 DNS \u3067 IP \u30a2\u30c9\u30ec\u30b9\u3092\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u95a2\u9023\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30db\u30b9\u30c6\u30a3\u30f3\u30b0<\/strong>: \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u6240\u6709\u8005\u306f\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u30a6\u30a7\u30d6 \u30b5\u30fc\u30d0\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u30dd\u30a4\u30f3\u30c8\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>: \u30c9\u30e1\u30a4\u30f3\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f MX \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6b63\u3057\u3044\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u5358\u4e00\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u69cb\u6210\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001Web \u30b5\u30a4\u30c8\u306f\u53d7\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7570\u306a\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (CDN)<\/strong>CDN \u306f\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u6700\u3082\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3057\u3001\u5f85\u3061\u6642\u9593\u3092\u6e1b\u3089\u3057\u3066\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u9006\u5f15\u304d\u53c2\u7167<\/strong>: \u7d44\u7e54\u306f PTR \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u9006 DNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u76e3\u8996\u306e\u76ee\u7684\u3067 IP \u30a2\u30c9\u30ec\u30b9\u3068\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u3082\u751f\u3058\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>DNS\u89e3\u6c7a\u6642\u9593<\/strong>: DNS \u89e3\u6c7a\u30d7\u30ed\u30bb\u30b9\u304c\u9045\u3044\u3068\u3001Web \u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3084\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0<\/strong>: \u60aa\u610f\u306e\u3042\u308b\u884c\u70ba\u8005\u304c DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6539\u3056\u3093\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u8aa4\u3063\u305f\u3001\u307e\u305f\u306f\u6709\u5bb3\u306a IP \u30a2\u30c9\u30ec\u30b9\u306b\u8a98\u5c0e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv4 \u30a2\u30c9\u30ec\u30b9\u67af\u6e07<\/strong>IPv4 \u30a2\u30c9\u30ec\u30b9\u306e\u4e0d\u8db3\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u5897\u52a0\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b IPv6 \u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>DNS \u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>: DNS \u89e3\u6c7a\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u307b\u3068\u3093\u3069\u306e DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001\u7e70\u308a\u8fd4\u3057\u306e\u691c\u7d22\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u7d50\u679c\u3092\u4e00\u5b9a\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNSSEC (DNS \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd)<\/strong>DNSSEC \u306f DNS \u30c7\u30fc\u30bf\u306b\u6697\u53f7\u7f72\u540d\u3092\u8ffd\u52a0\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u653b\u6483\u3092\u9632\u304e\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv6\u306e\u5c0e\u5165<\/strong>IPv6 \u306f\u3088\u308a\u5927\u304d\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u63d0\u4f9b\u3057\u3001IPv4 \u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u306e\u554f\u984c\u3092\u7de9\u548c\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306e\u5897\u52a0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u305d\u306e\u4ed6\u306e\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03\u3092\u8868\u3068\u30ea\u30b9\u30c8\u306e\u5f62\u5f0f\u3067\u793a\u3057\u307e\u3059\u3002<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e Web \u30b5\u30a4\u30c8\u3084\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u968e\u5c64\u578b\u306e\u547d\u540d\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f A \u30ec\u30b3\u30fc\u30c9\u3068\u3082\u547c\u3070\u308c\u3001\u30c9\u30e1\u30a4\u30f3\u5185\u306e\u500b\u3005\u306e\u30db\u30b9\u30c8\u3092\u8868\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\uff23\uff2e\uff21\uff2d\uff25<\/td>\n<td>\u30a8\u30a4\u30ea\u30a2\u30b9 (\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3) \u3092\u6b63\u898f\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d7\u3057\u307e\u3059\u3002\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3068\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u4f5c\u6210\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>MX\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u4ea4\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>IPv4<\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 \u306f\u300132 \u30d3\u30c3\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3001\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b IP \u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>IPv6<\/td>\n<td>IPv4 \u306e\u5f8c\u7d99\u3067\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 6 \u3067\u306f\u3001128 \u30d3\u30c3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u5927\u304d\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u6210\u9577\u3092\u7d9a\u3051\u308b\u306b\u3064\u308c\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3068 DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\u306f\u9ad8\u307e\u308b\u3070\u304b\u308a\u3067\u3059\u3002IPv4 \u306e\u5236\u9650\u306b\u5bfe\u51e6\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6301\u7d9a\u53ef\u80fd\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001IPv6 \u306e\u63a1\u7528\u304c\u3055\u3089\u306b\u9032\u3080\u3067\u3057\u3087\u3046\u3002IPv6 \u306f\u5e83\u7bc4\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u63d0\u4f9b\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u6025\u5897\u3092\u53ef\u80fd\u306b\u3057\u3001\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001DNSSEC \u306e\u5e83\u7bc4\u306a\u63a1\u7528\u306a\u3069\u3001DNS \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9032\u6b69\u306f\u3001DNS \u30b7\u30b9\u30c6\u30e0\u306e\u6574\u5408\u6027\u3068\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3057\u3001\u6f5c\u5728\u7684\u306a\u653b\u6483\u3084\u30c7\u30fc\u30bf\u64cd\u4f5c\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u30db\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (\u30e6\u30fc\u30b6\u30fc) \u3068 Web \u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067 Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u4ee3\u308f\u3063\u3066\u305d\u306e\u8981\u6c42\u3092 Web \u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002Web \u30b5\u30fc\u30d0\u30fc\u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u5fdc\u7b54\u3057\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u305d\u306e\u5fdc\u7b54\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u4e2d\u7d99\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u6b21\u306e\u65b9\u6cd5\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u983b\u7e41\u306b\u8981\u6c42\u3055\u308c\u308b Web \u30da\u30fc\u30b8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30da\u30fc\u30b8\u3092\u8981\u6c42\u3059\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u57fa\u3065\u3044\u3066\u305d\u306e\u30da\u30fc\u30b8\u3092\u8fc5\u901f\u306b\u914d\u4fe1\u3067\u304d\u308b\u305f\u3081\u3001\u5143\u306e Web \u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u5fdc\u7b54\u6642\u9593\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: Web \u30b5\u30fc\u30d0\u30fc\u3068\u540c\u69d8\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u8ca0\u8377\u5206\u6563\u306e\u305f\u3081\u306b\u8907\u6570\u306e\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7740\u4fe1\u8981\u6c42\u3092\u8907\u6570\u306e Web \u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3057\u3001\u9ad8\u53ef\u7528\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092 Web \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u4e00\u5b9a\u30ec\u30d9\u30eb\u306e\u533f\u540d\u6027\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f4d\u7f6e\u60c5\u5831\u306e\u507d\u88c5<\/strong>\u4e00\u90e8\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u5730\u7406\u7684\u306b\u7570\u306a\u308b\u5730\u57df\u306b\u3042\u308b\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u57df\u5236\u9650\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30f3\u30c4 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0 \u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u3001IP \u30a2\u30c9\u30ec\u30b9\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u307e\u305f\u306f\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u3068\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.icann.org\/en\/system\/files\/files\/dns-brochure-en.pdf\" target=\"_new\" rel=\"noopener nofollow\">\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u306e\u6982\u8981 \u2013 ICANN<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Domain_Name_System\" target=\"_new\" rel=\"noopener nofollow\">\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0 (DNS) \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc882\" target=\"_new\" rel=\"noopener nofollow\">RFC 882: \u30c9\u30e1\u30a4\u30f3\u540d \u2013 \u6982\u5ff5\u3068\u6a5f\u80fd<\/a><\/li>\n<li><a href=\"https:\/\/www.verisign.com\/en_US\/website-presence\/online\/dns-security\/what-is-dnssec\/index.xhtml\" target=\"_new\" rel=\"noopener nofollow\">DNSSEC \u3068\u306f? \u2013 Verisign<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306f DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e Web \u30b5\u30a4\u30c8\u3084\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001IPv6 \u306e\u63a1\u7528\u3068 DNS \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9032\u6b69\u306b\u3088\u308a\u3001\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306e\u5c06\u6765\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u4fe1\u983c\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9ad8\u3044\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u30db\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306e\u5f79\u5272\u304c\u5f62\u4f5c\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"featured_media":477468,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477467","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Host Address for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is the Host address, and why is it important for accessing websites?","answer":"<p>The Host address is a unique identifier that maps a domain name (e.g., oneproxy.pro) to an IP address, allowing users to access websites and resources on the internet. It plays a critical role in the Domain Name System (DNS) infrastructure, enabling web browsers to locate the correct web server associated with the requested domain. Without the Host address, users would not be able to access websites through their domain names.<\/p>"},{"question":"How does the Host address work?","answer":"<p>When a user enters a domain name in their web browser, the browser sends a DNS query to a DNS resolver, requesting the IP address for the domain. The DNS resolver then looks up the Host address (A record) for the domain and returns the corresponding IP address to the user's device. This IP address is used to establish a connection to the web server hosting the website, allowing the user to access the desired content.<\/p>"},{"question":"What are the key features of the Host address?","answer":"<p>The Host address has several essential features, including:<\/p><ul><li>Uniqueness: Each domain name corresponds to a unique Host address, ensuring accurate mapping between domain names and IP addresses.<\/li><li>Mapping: It directly maps a domain name to its corresponding IP address, facilitating communication between clients and servers.<\/li><li>Fast Resolution: DNS resolvers often cache Host addresses, leading to faster subsequent lookups for frequently accessed domains.<\/li><li>Dynamic IP Assignment: Websites can change their IP addresses without affecting the domain name, providing flexibility and stability.<\/li><\/ul>"},{"question":"Are there different types of Host addresses?","answer":"<p>Yes, there are different types of resource records in the DNS. The most common types include:<\/p><ul><li>A (Address) record: Maps a domain name to an IPv4 address.<\/li><li>AAAA (IPv6 Address) record: Maps a domain name to an IPv6 address.<\/li><li>CNAME (Canonical Name) record: Maps an alias (subdomain) to the canonical domain name.<\/li><li>MX (Mail Exchange) record: Specifies the mail exchange server for a domain.<\/li><li>TXT (Text) record: Used for various purposes, including domain verification and SPF records.<\/li><\/ul>"},{"question":"How does the Host address impact proxy server providers like OneProxy?","answer":"<p>Proxy servers can utilize Host addresses to improve their services. They can use caching and load balancing techniques based on Host addresses to optimize performance, reduce server load, and ensure high availability. Additionally, proxy servers can provide users with anonymity by hiding their IP addresses, enhancing privacy while accessing online resources.<\/p>"},{"question":"What are some challenges related to Host addresses?","answer":"<p>One of the challenges related to Host addresses is DNS resolution time. Slow DNS resolution can impact website loading times and user experience. Another challenge is DNS cache poisoning, where malicious actors attempt to manipulate DNS caches, leading users to incorrect or harmful IP addresses. IPv4 address exhaustion is also a concern due to the limited number of available IPv4 addresses.<\/p>"},{"question":"How can the DNS system address these challenges?","answer":"<p>To address these challenges, DNS resolvers often cache query results to speed up subsequent lookups. The adoption of DNSSEC provides cryptographic signatures to DNS data, preventing cache poisoning and ensuring data integrity. Furthermore, the global adoption of IPv6 offers a larger address space, resolving the issue of IPv4 address exhaustion and supporting the growth of internet-connected devices.<\/p>"},{"question":"What does the future hold for Host addresses and the internet?","answer":"<p>As the internet continues to expand, the Host address and DNS infrastructure will become even more critical. Advancements in IPv6 adoption and DNS security, such as widespread DNSSEC implementation, will shape the future of Host addresses, ensuring a sustainable and secure online environment. Additionally, innovations in proxy server technologies will continue to enhance user experiences and internet accessibility.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477467\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/477468"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477467"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}